Crystal Springs Winter Trail Run
Woodside, CA, USA · January 17, 2027
Race Day Weather
45°at start
58° high
Calm
Dry
Cool start — fast day potential, warming through the race
A cool 45°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Temperatures rising to 58°F through the course will gradually increase perceived effort in the second half.
Race day forecast available in 112 days
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Historical Weather
Based on 4 years of data
Avg Temp
57°F
L:50° H:60°
RunScore
Conditions
Rain Freq
25%
1 of 4 yrs
Wind5mph
Dew44°F
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2026 | | 47°/64° | - | 48° | |
2025 |  | 51°/63° | - | 32° | |
2024 | | 51°/59° | - | 49° | |
2023 |  | 51°/54° | Light | 48° |
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